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DTSTAMP:20250909T192840Z
DESCRIPTION:Evan Sadler (Columbia)\n	Host: Leonie Baumann.\n\nFalsehoods: Ax
 ioms for Updating Beliefs in Response to Contradictory Claims\n	\n	Date: 1st
  November\, 2019.\n	Location: Leacock 429\n\nAbstract:\n	We often make high 
 stakes choices based on complex information that we have no way to verify.
  Careful Bayesian reasoning---assessing every reason why a claim could be 
 false or misleading---is not feasible\, so we necessarily act on faith: we
  trust certain sources and treat claims as if they were direct observation
 s of payoff relevant events. This creates a challenge when trusted sources
  conflict: Practically speaking\, is there a principled way to update beli
 efs in response to contradictory claims? I propose a model of belief forma
 tion along with several updating axioms. An impossibility theorem shows th
 ere is no obvious best answer\, while a representation theorem delineates 
 the boundary of what is possible.\n\n \n\nWebsite: http://www.evandsadler.
 com\n
DTSTART:20191101T193000Z
DTEND:20191101T210000Z
LOCATION:Leacock 429\, Leacock Building\, CA\, QC\, Montreal\, H3A 2T7\, 85
 5 rue Sherbrooke Ouest
SUMMARY:Evan Sadler (Columbia)\, 'Falsehoods: Axioms for Updating Beliefs i
 n Response to Contradictory Claims'
URL:/economics/channels/event/evan-sadler-columbia-fal
 sehoods-axioms-updating-beliefs-response-contradictory-claims-298209
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